//
//  NSOperationManager.h
//  仿写SDWebImage
//
//  Created by 倪啸天 on 16/10/15.
//  Copyright © 2016年 itheima. All rights reserved.
//

#import <Foundation/Foundation.h>
#import <UIKit/UIKit.h>

@interface NSOperationManager : NSObject

+ (instancetype)shareManager;

//下载图片功能
- (void)downloadIMGWithUrlString:(NSString *)urlString andCompletedBlock:(void(^)(UIImage *))completeBlock;

//取消
- (void)cancelOperationWithUrlString:(NSString *)urlString;

@end
